rebase: use unfiltered repo when loading state
Before this patch, `rebase --abort` may fail to do the cleanup:
$ hg rebase --abort
rebase aborted (no revision is removed, only broken state is cleared)
The added test case makes sure `--abort` works in this case.
Differential Revision: https://phab.mercurial-scm.org/D643
#!/bin/sh
HGENCODING=UTF-8
export HGENCODING
echo ".. -*- coding: utf-8 -*-" > gendoc.txt
echo "" >> gendoc.txt
LANGUAGE=$1 python "$TESTDIR/../doc/gendoc.py" >> gendoc.txt 2> /dev/null || exit
echo "checking for parse errors"
python "$TESTDIR/../doc/docchecker" gendoc.txt
python "$TESTDIR/../doc/runrst" html gendoc.txt /dev/null